level body length

例句：

1. 1. The level of the wateris too high for me to swim.
   水的深度对我来说太高了，我游不了。
2. 2.The company's performance has been ona steady decline since its inception.
   这家公司自成立起业绩一直呈下降趋势。
3. 3.The new policy will level the playing fieldfor all employees.
   新政策将使所有员工都有平等的晋升机会。